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Finding the Fourth Proportional to 69,023.40, 103,535.10 and 69,023.40

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Solution

The fourth proportional to 69,023.40, 103,535.10 and 69,023.40 is: 103,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,023.40 : 103,535.10 = 69,023.40 : x
  2. Step 2: Convert to fraction form
    69,023.40/103,535.10 = 69,023.40/x
  3. Step 3: Cross multiply
    69,023.40x = 103,535.10 × 69,023.40
  4. Step 4: Simplify right side
    69,023.40x = 7,146,344,621.34
  5. Step 5: Solve for x
    x = 7,146,344,621.34/69,023.40
  6. Step 6: Final answer
    x = 103,535.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.